Genetic factors
Do not inherit diabetes type I diabetes itself, but inherits a genetic predisposition or a tendency toward the occurrence of DM type I. This genetic predisposition is found in individuals with an HLA antigen types.

Immunological factors
The existence of an autoimmune response which is an abnormal response in which antibodies directed against normal tissue by the body reacts to these networks is considered as if in a foreign network. Otoantibodi namely the cells of Langerhans islands and endogenous insulin.

Diabetes Type II
Precise mechanisms that cause insulin resistance and insulin secretion disorders in type II diabetes is still unknown. Genetic factors play a role in the process of insulin resistance.
Risk factors :